#encoding:utf-8
from flask import render_template, redirect, request, url_for, flash
from flask_login import login_user, logout_user, login_required, \
    current_user
from . import auth
from .. import db
from ..models import User
from ..email import send_email
from .forms import LoginForm, RegistrationForm, \
    PasswordResetRequestForm, ChangePasswordForm,ResetForm


@auth.before_app_request
def before_request():
    if current_user.is_authenticated:
        current_user.ping()
        # if not current_user.confirmed \
        #         and request.endpoint \
        #         and request.blueprint != 'auth' \
        #         and request.endpoint != 'static':
        #     return redirect(url_for('auth.unconfirmed'))


# @auth.route('/unconfirmed')
# def unconfirmed():
#     if current_user.is_anonymous or current_user.confirmed:
#         return redirect(url_for('main.index'))
#     return render_template('auth/unconfirmed.html')


@auth.route('/login', methods=['GET', 'POST'])
def login():
    form = LoginForm()
    flash('')
    if form.validate_on_submit():
        user = User.query.filter_by(email=form.email.data).first()
        if user is not None and user.verify_password(form.password.data):
            login_user(user, form.remember_me.data)
            next = request.args.get('next')
            if next is None or not next.startswith('/'):
                next = url_for('main.index')
            return redirect(next)
        flash('用户名或密码错误！')
    return render_template('auth/login.html', form=form)


@auth.route('/info')
@login_required
def info():
    return render_template('auth/info.html')

@auth.route('/resetpassword', methods=['GET', 'POST'])
@login_required
def change_password():
    form = ChangePasswordForm()
    if form.validate_on_submit():
        if current_user.verify_password(form.old_password.data):
            current_user.password = form.password.data
            db.session.add(current_user)
            db.session.commit()
            flash('你的密码已经更新.')
            return redirect(url_for('auth.info'))
        else:
            flash('原密码错误！')
    return render_template("auth/resetpassword.html", form=form)

@auth.route('/logout')
@login_required
def logout():
    logout_user()
    flash('你已退出登录！')
    return redirect(url_for('auth.login'))


@auth.route('/register', methods=['GET', 'POST'])
def register():
    form = RegistrationForm()
    if form.validate_on_submit():
        user = User(email=form.email.data,
                    username=form.username.data,
                    password=form.password.data)
        db.session.add(user)
        db.session.commit()
        token = user.generate_confirmation_token()
        # if send_email(user.email, '确认你的账户','auth/email/confirm', user=user, token=token):
        flash('注册成功！')
        return redirect(url_for('auth.login'))
    return render_template('auth/register.html', form=form)


# @auth.route('/confirm/<token>')
# @login_required
# def confirm(token):
#     if current_user.confirmed:
#         return redirect(url_for('main.index'))
#     if current_user.confirm(token):
#         db.session.commit()
#         flash('You have confirmed your account. Thanks!')
#     else:
#         flash('The confirmation link is invalid or has expired.')
#     return redirect(url_for('main.index'))


# @auth.route('/confirm')
# @login_required
# def resend_confirmation():
#     token = current_user.generate_confirmation_token()
#     send_email(current_user.email, 'Confirm Your Account',
#                'auth/email/confirm', user=current_user, token=token)
#     flash('A new confirmation email has been sent to you by email.')
#     return redirect(url_for('main.index'))


@auth.route('/reset', methods=['GET', 'POST'])
def reset():
    # if not current_user.is_anonymous:
    #     return redirect(url_for('main.index'))
    user = User.query.filter_by(email=current_user.email).first()
    form = ResetForm(username=user.username,email=user.email,sex=user.sex,birthday=user.birthday)
    if form.validate_on_submit():
        user.email = form.email.data
        user.username = form.username.data
        user.sex = form.sex.data
        user.birthday = form.birthday.data
        db.session.add(user)
        db.session.commit()
        flash('信息修改成功！')
        return redirect(url_for('auth.info'))
    return render_template('auth/reset.html',form=form)


# @auth.route('/reset/<token>', methods=['GET', 'POST'])
# def password_reset(token):
#     if not current_user.is_anonymous:
#         return redirect(url_for('main.index'))
#     form = ChangePasswordForm()
#     if form.validate_on_submit():
#         if User.reset_password(token, form.password.data):
#             db.session.commit()
#             flash('Your password has been updated.')
#             return redirect(url_for('auth.login'))
#         else:
#             return redirect(url_for('main.index'))
#     return render_template('auth/resetpassword.html', form=form)


# @auth.route('/change_email', methods=['GET', 'POST'])
# @login_required
# def change_email_request():
#     form = ChangeEmailForm()
#     if form.validate_on_submit():
#         if current_user.verify_password(form.password.data):
#             new_email = form.email.data
#             token = current_user.generate_email_change_token(new_email)
#             send_email(new_email, 'Confirm your email address',
#                        'auth/email/change_email',
#                        user=current_user, token=token)
#             flash('An email with instructions to confirm your new email '
#                   'address has been sent to you.')
#             return redirect(url_for('main.index'))
#         else:
#             flash('Invalid email or password.')
#     return render_template("auth/change_email.html", form=form)


# @auth.route('/change_email/<token>')
# @login_required
# def change_email(token):
#     if current_user.change_email(token):
#         db.session.commit()
#         flash('Your email address has been updated.')
#     else:
#         flash('Invalid request.')
#     return redirect(url_for('main.index'))
